Minutes after finalizing their eight-player draft class, the Broncos began to sign college free agents, bringing in more than a dozen Saturday night.

Duke receiver Max McCaffrey, the oldest son of former Broncos receiver Ed McCaffrey, was not among them. But John Tidwell, a defensive back who attended Rangeview High School in Aurora, was — and he received a $3,000 signing bonus.

Also on the list: Mose Frazier, who played the past three years with Paxton Lynch at Memphis and was his leading receiver (70 catches, 799 yards) last season.

The Broncos have had 18 college free agents make the active roster since 2004. Five of them — Tyler Polumbus, Chris Harris, Aaron Brewer, C.J. Anderson and Juwan Thompson — were a part of Denver’s Super Bowl 50 team.

No Sly option

Broncos general manager John Elway plans to make a decision on Sylvester Williams’ fifth-year option for 2017 on Sunday. Williams delivered a breakthrough performance last season, but the option stands at $6.75 million, an inflated figure for the nose tackle position in the current NFL landscape. Williams represents a $2.4 million cap hit this season.

Weight machine

Connor McGovern set numerous weight-lifting records at Missouri. Since injuring his hamstring in the Senior Bowl, McGovern has worked his way to his max lifts in the squat and bench press.

“My best bench was somewhere close to 500 (pounds), and then I had an injury, so I’m probably close to 450 and getting back up there to my 500-pound bench,” he said. “My best squat was 690 for five (reps).”

Punter battle?

The Broncos used their last pick, No. 228 in the seventh round, on Riley Dixon, a punter from Syracuse. The 6-foot-5, 219-pounder finished third in school history with a career average of 42.6 yards.

“We wanted to bring him in for competition,” Elway said. “We thought he was a really good punter, so we didn’t want to risk losing him.”

Veteran Britton Colquitt has one year worth $3.25 million ($4 million cap hit) remaining on his contract. His status with the team could be in jeopardy with the addition of the younger and cheaper Dixon.

Nicki Jhabvala, The Denver Post

Free-falling

The Broncos signed 19 college free agents Saturday night after the NFL draft:

After watching Air Force kick the CU Buffaloes’ tail, not to mention their undefeated record, into the wild, blue yonder, here’s a legitimate question: How in the world is the Pac-12 recognized as a Power Five football conference?